Regarding the situation you mentioned, decisions about whether to break up with a partner after they have cheated are deeply personal and complex. Many factors come into play, such as the individuals involved, the nature of the relationship, the reasons for the cheating, the willingness to forgive and rebuild trust, and various other circumstances.
Some people may choose to work through the issue, attend couples therapy, and try to rebuild the relationship after an incident of infidelity. Others may feel that trust has been irreparably broken and decide that ending the relationship is the best course of action for their emotional well-being.
Ultimately, there is no one-size-fits-all answer to this situation. People respond to infidelity differently based on their values, emotions, and personal boundaries. It's essential for those involved to communicate openly, seek support, and make decisions that align with their individual needs and circumstances.